Carburized Bearing Steel G20CrNi2MoA for Railway Remelted by an Inert Gas Shielding Atmosphere 5 t Electroslag Remelting Furnace

周立新; 丁磊; 苏春阳; 潘明旭; 张洲; 柳学胜

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Carburized Bearing Steel G20CrNi2MoA for Railway Remelted by an Inert Gas Shielding Atmosphere 5 t Electroslag Remelting Furnace

更新时间：2026-01-21

- Carburized Bearing Steel G20CrNi2MoA for Railway Remelted by an Inert Gas Shielding Atmosphere 5 t Electroslag Remelting Furnace
- Special Steel Vol. 33, Issue 5, Pages: 25-28(2012)
- 作者机构：
  
  湖北新冶钢有限公司1技术中心, 2炼钢事业部,黄石,435001
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Received：02 May 2012，
  
  Online First：09 October 2022，
  
  Published：09 October 2012
- 稿件说明：
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周立新, 丁磊, 苏春阳, et al. Carburized Bearing Steel G20CrNi2MoA for Railway Remelted by an Inert Gas Shielding Atmosphere 5 t Electroslag Remelting Furnace[J]. Special Steel, 2012, 33(5): 25-28.
DOI：

周立新, 丁磊, 苏春阳, et al. Carburized Bearing Steel G20CrNi2MoA for Railway Remelted by an Inert Gas Shielding Atmosphere 5 t Electroslag Remelting Furnace[J]. Special Steel, 2012, 33(5): 25-28. DOI：

摘要

试验和分析了全封闭气罩氩气保护电渣重熔与常规大气下电渣重熔铁路用G20CrNi2MoA渗碳轴承钢(/%:0.19C、0.49Cr、1.75Ni、0.23Mo、0.071Al)的冶金效果。结果表明

氩气保护电渣重熔锭Si和Mn的烧损量(3%～12%和4%～10%)低于常规电渣重熔锭Si和Mn的烧损量(15%～18%和7%～10%);当G20CrNi2MoA钢电极的氧含量为10×10

-6

时

氩气保护电渣锭的氧含量(15×10

-6

)低于常规电渣锭的氧含量(21.3×10

-6

);氩气保护电渣锭的冶金质量明显优于未经气体保护的常规电渣锭。

Abstract

The metallurgy effect of carburized bearing steel G20CrNi2MoA for railway (/% ： 0

19C

0. 49Cr

1.75Ni

0. 23Mo

0. 071 Al) by argon shielding atmosphere electroslag remelting ( ESR) in closed hood and by normal atmospheric ESR has been tested and analyzed. Results show that the loss of Si and Mn of argon shield atmosphere ESR ingot (3% 〜12% and 4% - 10% ) is less than the loss of Si and Mn of normal atmospheric ESR ingot (15% ~ 18% and 7% ~ 10% ) ； as the oxygen content in electrode of steel G20CrNi2MoA is 10 x 10

-6

the oxygen content in argon shield atmosphere ESR ingot (15 x 10

-6

) is lower than that in normal atmospheric ESR ingot (21.3 x 10

-6

) ； and the metallurgical quality of argon shield atmosphere ESR ingot is obviously better than that of normal non gas shielding ESR ingot.

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